Table 2

Summary of temporal distance parameters of gait

ParameterGroup; mean [range]p value*
AnteriorPosteriorLateral
Step length, m
 Preoperative0.44 [0.25–0.59]0.53 [0.35–0.67]0.48 [0.39–0.530.89
 6 wk0.51 [0.32–0.62]0.58 [0.51–0.69]0.48 [0.31–0.58]0.18
 12 wk0.52 [0.35–0.63]0.60 [0.53–0.71]0.56 [0.43–0.64]0.19
Stride length, m
 Preoperative0.86 [0.47–1.13]1.06 [0.83–1.29]0.95 [0.76–1.05]0.08
 6 wk1.00 [0.58–1.22]1.14 [0.99–1.36]0.98 [0.66–1.11]0.19
 12 wk1.02 [0.62–1.26]1.20 [1.11–1.37]1.12 [0.91–1.29]0.15
Gait velocity, m/s
 Preoperative0.67 [0.30–1.08]0.86 [0.53–1.06]0.76 [0.60–0.95]0.10
 6 wk0.86 [0.50–1.29]0.98 [0.75–1.15]0.82 [0.36–0.96]0.36
 12 wk0.92 [0.41–1.56]1.09 [0.99–1.33]1.00 [0.84–1.14]0.33
Stance phase, %
 Preoperative65.0 [59.6–71.0]62.8 [59.5–64.7]64.2 [60.8–69.2]0.20
 6 wk64.8 [62.5–68.6]62.9 [59.5–65.4]65.1 [60.1–74.8]0.39
 12 wk64.6 [61.5–70.5]62.4 [58.6–66.8]63.5 [61.0–65.3]0.28
Swing phase, %
 Preoperative35.0 [29.0–40.5]37.2 [35.3–40.5]35.8 [30.8–39.2]0.20
 6 wk35.2 [31.4–37.5]37.1 [34.6–40.5]34.9 [25.2–39.9]0.39
 12 wk35.4 [29.5–38.5]37.6 [33.2–41.4]36.5 [34.7–39.0]0.28

  • ↵* According to one-way analysis of variance.